EP3903131A4 - Optical fiber devices for directing stimulated raman scattering (srs) light out of a fiber - Google Patents

Optical fiber devices for directing stimulated raman scattering (srs) light out of a fiber Download PDF

Info

Publication number
EP3903131A4
EP3903131A4 EP19903811.8A EP19903811A EP3903131A4 EP 3903131 A4 EP3903131 A4 EP 3903131A4 EP 19903811 A EP19903811 A EP 19903811A EP 3903131 A4 EP3903131 A4 EP 3903131A4
Authority
EP
European Patent Office
Prior art keywords
srs
directing
fiber
raman scattering
light out
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19903811.8A
Other languages
German (de)
French (fr)
Other versions
EP3903131A1 (en
Inventor
Tyson L. Lowder
Dahv A.V. Kliner
C. Geoffrey Fanning
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NLight Inc
Original Assignee
NLight Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NLight Inc filed Critical NLight Inc
Publication of EP3903131A1 publication Critical patent/EP3903131A1/en
Publication of EP3903131A4 publication Critical patent/EP3903131A4/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
    • G02B6/02085—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the grating profile, e.g. chirped, apodised, tilted, helical
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/34—Optical coupling means utilising prism or grating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0078—Frequency filtering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06729—Peculiar transverse fibre profile
    • H01S3/06733—Fibre having more than one cladding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S2301/00—Functional characteristics
    • H01S2301/03—Suppression of nonlinear conversion, e.g. specific design to suppress for example stimulated brillouin scattering [SBS], mainly in optical fibres in combination with multimode pumping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Lasers (AREA)
EP19903811.8A 2018-12-28 2019-12-19 Optical fiber devices for directing stimulated raman scattering (srs) light out of a fiber Pending EP3903131A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862786173P 2018-12-28 2018-12-28
PCT/US2019/067545 WO2020139705A1 (en) 2018-12-28 2019-12-19 Optical fiber devices for directing stimulated raman scattering (srs) light out of a fiber

Publications (2)

Publication Number Publication Date
EP3903131A1 EP3903131A1 (en) 2021-11-03
EP3903131A4 true EP3903131A4 (en) 2022-08-24

Family

ID=71129679

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19903811.8A Pending EP3903131A4 (en) 2018-12-28 2019-12-19 Optical fiber devices for directing stimulated raman scattering (srs) light out of a fiber

Country Status (4)

Country Link
US (1) US20220075121A1 (en)
EP (1) EP3903131A4 (en)
CN (1) CN113316729A (en)
WO (1) WO2020139705A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11381056B2 (en) * 2020-02-28 2022-07-05 Silc Technologies, Inc. Laser cavity construction for reduced wavelengths

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5764829A (en) * 1996-02-26 1998-06-09 Lucent Technologies Inc. Optical signal shaping device for complex spectral shaping applications
US7127139B2 (en) * 2004-02-24 2006-10-24 Fujitsu Limited Optical multiplexing method and optical multiplexer, and optical amplifier using same
US20160111851A1 (en) * 2014-10-15 2016-04-21 Nlight Photonics Corporation Slanted fbg for srs suppression
US20180217322A1 (en) * 2017-01-27 2018-08-02 Teraxion Inc. Optical fiber filter of wideband deleterious light and uses thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6404956B1 (en) * 1997-10-02 2002-06-11 3M Intellectual Properties Company Long-length continuous phase Bragg reflectors in optical media
US6832023B1 (en) * 2000-05-19 2004-12-14 Georgia Tech Research Corporation Optical fiber gratings with azimuthal refractive index perturbation, method of fabrication, and devices for tuning, attenuating, switching, and modulating optical signals
JP3923364B2 (en) * 2002-05-07 2007-05-30 古河電気工業株式会社 Fiber grating type optical components
US7804864B2 (en) * 2004-03-31 2010-09-28 Imra America, Inc. High power short pulse fiber laser
TWI431347B (en) * 2012-03-21 2014-03-21 Univ China Sci & Tech Fabrication method of surface embossed fiber Bragg grating element
WO2015160459A1 (en) * 2014-04-14 2015-10-22 Baker Hughes Incorporated Distributed temperature sensor enhancement by stimulated raman suppression
GB201601815D0 (en) * 2016-01-29 2016-03-16 Spi Lasers Uk Ltd Apparatus and method for optical isolation
JP6523511B1 (en) * 2018-03-30 2019-06-05 株式会社フジクラ Fiber laser device, method of manufacturing fiber laser device, and setting method
WO2020139704A1 (en) * 2018-12-28 2020-07-02 Nlight, Inc. Optical fiber devices and methods for suppressing stimulated raman scattering (srs)
WO2020139706A1 (en) * 2018-12-28 2020-07-02 Nlight, Inc. Optical fiber devices for directing stimulated raman scattering light out of a fiber core & into a cladding

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5764829A (en) * 1996-02-26 1998-06-09 Lucent Technologies Inc. Optical signal shaping device for complex spectral shaping applications
US7127139B2 (en) * 2004-02-24 2006-10-24 Fujitsu Limited Optical multiplexing method and optical multiplexer, and optical amplifier using same
US20160111851A1 (en) * 2014-10-15 2016-04-21 Nlight Photonics Corporation Slanted fbg for srs suppression
US20180217322A1 (en) * 2017-01-27 2018-08-02 Teraxion Inc. Optical fiber filter of wideband deleterious light and uses thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020139705A1 *

Also Published As

Publication number Publication date
WO2020139705A1 (en) 2020-07-02
US20220075121A1 (en) 2022-03-10
EP3903131A1 (en) 2021-11-03
CN113316729A (en) 2021-08-27

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